1. A synapse with elevated acetylcholinesterase can produce ____________ of ____
ID: 3473795 • Letter: 1
Question
1.
A synapse with elevated acetylcholinesterase can produce ____________ of ___________ when compared to a synapse with normal levels of acetylcholinesterase.
A)
Decreases; membrane potential
B)
Increased secretion; glands
C)
Excessive excitation; neurons
D)
Decreases; potassium influx to neurons
E)
Reuptake; acetylcholine
2.
Amplification of the hormone and second messenger cAMP does not occur
A)
When adenylate cyclase synthesizes cAMP
B)
When intracellular enzymes become phosphorylated
C)
When the hormone binds to the cell surface receptor
D)
All of the above
E)
None of the above
1.
A synapse with elevated acetylcholinesterase can produce ____________ of ___________ when compared to a synapse with normal levels of acetylcholinesterase.
A)
Decreases; membrane potential
B)
Increased secretion; glands
C)
Excessive excitation; neurons
D)
Decreases; potassium influx to neurons
E)
Reuptake; acetylcholine
Explanation / Answer
1) E; Acetylcholinisterase catalyzes the breakdown of acetylcholine into choline which is taken up by the neurons and combined with actylCoA to form more AcetylcoA.
2) B; cAMP is generated through adenylate cyclase by using ATP which is activated by hormone binding
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